.blinking {
  width: 80px;
  height: 80px;
  background: white;
  border-radius: 5px;
  position: relative;
  padding: 8px;
}
.blinking span {
  width: 20px;
  height: 8px;
  display: inline-block;
  border-radius: 20px;
  background: #666;
  position: absolute;
  left: 50%;
  top: 50%;
  animation: 1s blink infinite;
  transform-origin: left top;
}
.blinking span:nth-of-type(8) {
  transform: rotate(360deg) translateX(18px);
  animation-delay: 0s;
}
@keyframes blink {
  0% {
    opacity: 0.4;
  }
  30% {
    opacity: 0.6;
  }
  60% {
    opacity: 0.8;
  }
  100% {
    opacity: 1;
  }
}
.blinking span:nth-of-type(7) {
  transform: rotate(315deg) translateX(18px);
  animation-delay: 0.875s;
}
.blinking span:nth-of-type(6) {
  transform: rotate(270deg) translateX(18px);
  animation-delay: 0.75s;
}
.blinking span:nth-of-type(5) {
  transform: rotate(225deg) translateX(18px);
  animation-delay: 0.625s;
}
.blinking span:nth-of-type(4) {
  transform: rotate(180deg) translateX(18px);
  animation-delay: 0.5s;
}
.blinking span:nth-of-type(3) {
  transform: rotate(135deg) translateX(18px);
  animation-delay: 0.375s;
}
.blinking span:nth-of-type(2) {
  transform: rotate(90deg) translateX(18px);
  animation-delay: 0.25s;
}
.blinking span:nth-of-type(1) {
  transform: rotate(45deg) translateX(18px);
  animation-delay: 0.125s;
}
